On Fri, Jul 23, 2010 at 8:31 PM, Jeroen Geilman <jer...@adaptr.nl> wrote: > On 07/24/2010 12:44 AM, Andrés Gattinoni wrote: >> >> Hi guys, I have the following question: >> >> Is it possible to restrict some virtual accounts from sending emails >> through my Postfix? >> > > What does "through" mean ? > If you mean FROM an address that is in your virtual_*_maps, then no, not > trivially.
I mean clients connecting to my Postfix to send emails to external MTAs. Currently only authenticated users relay emails through my MTA. What I want to do is that only SOME of them can do so. > >> I have Postfix 2.3.3 running on a box with several virtual accounts. I >> > > That's very old. I'll see if I can upgrade >> >> want to prevent some of them from sending emails (I just want them to >> be able to receive). >> How could I do this? >> > > With a check_sender_access restriction in smtpd_recipient_restrictions. Ok. Should it be something like this in /etc/postfix/access someu...@domain.com REJECT And then: smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/access Is that right? >> >> I've been reading about smtpd_client_restrictions but I don't know if >> I can do a login-based restriction. >> > > What does login have to do with it ? >> >> BTW, I'm using Dovecot's SASL authentication. >> > > That's not directly related to what you asked. Ok, I just posted the info in case something might be done from Dovecot's side to handle users' permissions or something.
